COA

{
  "id": "MLC-T-CYB-000725",
  "term": "COA",
  "field": "Cybersecurity",
  "definition": "1. The cryptographic key management system (CKMS) entity that provides overall CKMS data synchronization and system security oversight for an organization or set of organizations.\n\n2. A time-phased or situation-dependent combination of risk response measures.",
  "expansions": [
    "Change of Authorization",
    "Central Oversight Authority",
    "Course of Action"
  ],
  "references": [
    "NIST SP 800-57 Part 2 Rev.1",
    "NIST SP 800-30 Rev. 1 from NIST SP 800-39",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/coa/"
}